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LONGLEY LEWIS SAGENDORPI-I, OF CINCINNATI, OHIO, ASSIGNOR OF ONE- HALF TO CHARLES N. HARDER, OF PHILMONT, NIGV YORK.

Nl ETALLUC CEBLING.

SPECIFlCAION forming part of Letters Patent No. 391,821, dated October 30, 1888.

Application tiled February $27, 18H8. Serial No. 265.405.

T all whom it may concern.-`

Be it known that I, LONGLEY Lnwis SAGEN- DoRPn,a citizen of the United States, and a residentof the city of Cincinnati, in the count-y of Hamilton and State of Ohio, have invented certain new and useful Improvements in Metallic Ceilings,of which the following is a specification.

The several features of my invention and the advantages arising from their use, conjointly or otherwisc,will be apparent from the following description.

In theaccornpanying drawings, forming part of this specification, Figure l is a view of a sheathed ceiling partly covered with metallic sheets and illustrating my invention. Fig. 2 is a perspective view of my improved device for concealing thejoints in metallic ceilings. Fig. 3 is a perspective view of the inner plate or tongue covering thejoint. Fig. ft is avertical section through a rafter and ceiling illustrating my invention. Figs. 5 and 6 illustrate 1 my device as applied to ceilings attached to different forms of frame-work, Fig. 5 showing the metal sheeting applied directly to the joists, and'Fig. 6 shows the metal sheeting applied to the strips or stringers applied to the rafters.

The ceiling to be covered with the sheetmetal plates may be either covered first by a board sheathing, E, as illustrated in Fig. 1,01' the sheet-metal plates may be directly attached to the rafters R, as shown in Fig. 5, or to stringers S crossing the rafters, as shown in Fig. 6.

The particular configuration of the ceil ing is unimportant, provided the ceiling has proper parts or portions suitable to receive and hold the nails, whereby the metal sheets, cleats, and the like are attached to the ceiling.

In the drawingsthe plates shown are the ordinary corrugated sheet-metal plates. Other forms of plates maybe employed. These plates A are attached to the rafters or ceilings by nails, as c., (see more particularly Fig. 4,) and are arranged in any desired manner with reference to each other. Several modes of arrangement are shown in Figs. l, 5, and 6. rIhe tongues or plates B consist of pieces 0f metal, 5c preferably rather short,bent along the center, so that the edges dip slightly downward. These (No model.)

tongues are placed along the joints between the several plates at short distances apart, as shown in Figs. l, 5, and 6. These tongues are secured in place by nails b driven through them into the wooden sheathing or rafters beneath. The strips D are made of varying lengths, and are provided along their edges with flanges d,turned upward and slightly inward. These strips are made of such a width as to accommodate the tongues B between the flanges. After the tonguesB have been put in place the strips D are slipped over them, completely hiding the joints between the sheets and forming an elegant finish. There is no difficulty in putting the short crossstrips in place after the longitudinal strips have been slipped on, because the tongues B for the crossstrips do not come close to the longitudinal strips, giving an opportunity to catch the end of the crossstrip over the tongue onto which it is to be slipped. The slight elasticity of the strip will then permit it to be pushed on and spring into place after its other end has passed the longitudinal strip. The corners at the junctions of the strips may be neatly covered by caps or rcsettes C, which are readily secured in place by single nails through the centers. rIhe ceiling so covered possesses all the advantage of an ordinary metallic ceiling, and in addition is elegant in finish.

W hat I claim as new, and desire to secure by Letters Patent, is-

l. The combination of the plates A A, tongues B, and strips D, provided with flanges d, substantially as and for the purposes specilied.

2. The combination of the plates A A, secured to rafters by nails a, tongues B, secured to rafters along the joints between the plates Aby nails b, and strips D, provided with ianges d, substantially as and for the purposes specified.

3. The combination of plates A A, tongues B, strips D, provided with flanges d, and caps C, substantially as and for the purposes specified.

LQNGLFY LEWIS SAG'ENLORIII. 

